A) any time chemicals, heat, or sediments are used to protect your eyes B) to avoid eye strain C) to improve vision D) only if you don't have glasses
A) try several methods until something works B) skip it and go to the next part C) ask the teacher before you start D) figure it out as you do the lab
A) dumped into the sink B) taken home C) disposed of according to your teacher's directions D) left at your table for the next class
A) see a doctor after school B) visit the school nurse after class C) tell the teacher at once D) apply first aid yourself
A) examine all glassware to check for chips or cracks B) clean any glassware that looks dirty C) All of these D) read all directions carefully to know what equipment is needed
A) sandals B) slippers C) open-toed shoes D) closed-toed shoes
A) Ok B) always against the rules C) okay if you are working alone D) not dangerous
A) your teacher B) the custodian C) your best friend in class D) your lab partners
A) when you are wearing your best clothes B) others to put away C) the protection of you and your clothing D) wiping your hands
A) nhale deeply B) waft the odor toward you C) use a fan D) pour it on the table
A) read all the directions B) all of these C) Clear off your table of books, food, and drinks D) Ask the teacher about any questions you have
A) fire blanket B) classroom door B) fire extinguisher C) all of these D) fire extinguisher
A) treat your hands with skin lotion B) wash your hands with soap and water C) ipe your hands on your clothes D) wipe your hands with a paper towel
A) wipe your hands on your pants B) try to figure out what the sticky substance is C) wipe your hands on a classmate D) Wash your hands and tell the teacher
A) Lab coat B) gloves C) sun glasses D) Safety glasses
A) put her hair up in a rubber band B) worn a hat today C) gotten a hair cut before class today D) skipped the lab
A) Water from the sink B) the fire extinguisher C) Your coat D) The fire blanket
A) while you are working B) before you start C) Next week D) After school
A) burn them in a burner B) follow the instructions of your teacher C) wash them down the sink D) throw them in the trash
A) ask the custodian B) your hand must be wet C) your hands should be dry D) ask the nurse.
A) away from you and toward others B) toward you and away from others C) away from you and others D) toward you and others
A) pour water into acid B) pour acid into water C) pour them at the same time D) let the teacher pour them
A) true B) False
A) false B) true
A) true B) false |